Business Concentration	6 Months Ended
Jun. 30, 2012
Business Concentration	Note 12 - Business Concentration During the three and six months ended June 30, 2012, we sold our products to 13 and 22 customers, respectively with sales of our ECOTRAX rail ties to one customer representing approximately 47% and 63%, respectively of our total revenue. Purchases of raw materials and contract manufacturing services and products from our two contract manufacturers were approximately 51% and 49% of our total purchases for the three and six months ended June 30, 2012, respectively.

Business Concentration

6 Months Ended

Jun. 30, 2012

Note 12 - Business Concentration

During the three and six months ended June 30, 2012, we sold our products to 13 and 22 customers, respectively with sales of our ECOTRAX rail ties to one customer representing approximately 47% and 63%, respectively of our total revenue.

Purchases of raw materials and contract manufacturing services and products from our two contract manufacturers were approximately 51% and 49% of our total purchases for the three and six months ended June 30, 2012, respectively.